.bh-message-box__wrapper {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 111;
    text-align: center;
}
.bh-message-box {
    display: inline-block;
    width: 420px;
    padding-bottom: 10px;
    vertical-align: middle;
    background-color: #fff;
    border-radius: 4px;
    border: 1px solid #ebeef5;
    font-size: 18px;
    box-shadow: 0 2px 12px 0 rgb(0 0 0 / 10%);
    text-align: left;
    overflow: hidden;
    backface-visibility: hidden;
}
.bh-message-box__header {
    position: relative;
    padding: 15px 15px 10px;
}
.bh-message-box__title {
    padding-left: 0;
    margin-bottom: 0;
    font-size: 18px;
    line-height: 1;
    color: #303133;
}
.bh-message-box__headerbtn {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 0;
    border: none;
    outline: none;
    background: transparent;
    font-size: 16px;
    cursor: pointer;
}
.bh-message-box__content {
    padding: 10px 15px;
    color: #606266;
    font-size: 14px;
}
.bh-message-box__container {
    position: relative;
}
.bh-message-box__message {
    margin: 0;
}
.bh-message-box__btns {
    padding: 5px 15px 0;
    text-align: right;
}


